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3 years ago

10 . Which number line represents the solution to the inequality 4x + 20 < 40?

Mathematics

1 answer:

aleksley [76]3 years ago

7 0

Answer:

Step-by-step explanation:

first solve the actual inequality leaving you with x<=5

then to graph it find 5 on the number line and it must be an open dot and a line pointing to less than 5.

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Which postulate can be used to prove that and are congruent?

Bezzdna [24]

Answer:

SSS

Step-by-step explanation:

Here we are given that:

AB≅ED

CA≅CD

AC bisects BD, so that means we have

BC≅CD

This gives us all three sides congruent.

So we can say here SSS congruency fits the best.

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3 years ago

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I need homework help! Its proportions, but the thing is, I'm terrible at them. All I know is that is/of=x/100.

masha68 [24]

19) 15/a = 3/2

Start by cross multiplying....

3a = 30

Divide both sides 3

a = 10

21) 2/7 = 4/d

2d = 28

   d= 14

23) 8/p = 3/10

80 = 3p
p = 26.66

25) 2 / -5 = 6/t
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  t = -15

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3 years ago

Which table shows a proportional relationship between x and y?

barxatty [35]

I would say a but not 100% sure.

3 0

3 years ago

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A jar of tickets for a drawing contains 22 winning tickets and 63 non-winning tickets. What are the odds against winning in the

Darya [45]

Answer:

Step-by-step explanation:

You have to find the total of tickets which is 85 and find the non-winning tickets which is 63. So, the answer is 63:85.

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3 years ago

How much do you save per class by taking the longer-term class: Weight Training, $200 for 18 weeks (54 classes) or $350 for 36 w

Vsevolod [243]

<u>Shorter term class:</u>

You pay $200 for 54 classes in total. So,

$\frac{200}{54} =3.704$ dollars per class (rounded to 3 decimal places)

<u>Longer term class:</u>

You pay $350 for 108 classes in total, So,

$\frac{350}{108} =3.241$ dollars per class (rounded to 3 decimal places)

Hence, by taking longer term classes, you save around $3.704-3.241=0.463$ dollars.

Rounding to 2 decimal places, you save $0.46 per class.

ANSWER: You save $0.46 per class.

5 0

4 years ago

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